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Posset Bridge Horse Tunnel
Peak Forest Canal, near Stockport Road, Marple, Greater Manchester, UK
Posset Bridge Horse Tunnel
associated engineer
Not known
date  1802 - 1804
UK era  Georgian  |  category  Tunnel  |  reference  SJ959887
photo  ICE R&D Fund
Posset Bridge Horse Tunnel is on the west bank of the Peak Forest Canal adjacent to Posset Bridge near the Navigation Inn at Marple. It appears to form the third arch of the bridge and enabled the horses pulling canal barges to pass under the road while untied.
The egg-shaped masonry tunnel is formed from a single ring of large rusticated voussoir stones with a central keystone. Above the keystone a string course carries the bridge parapet.
At its widest, the horse tunnel is just 1.5m wide, and at its southern portal is 2.2m from the soffit of the keystone to the modern concrete invert. On the south side, the path to the tunnel is between vertically curved rusticated masonry walls. The narrow path north of the tunnel leads to steps up to Stockport Road.
Research: PD
"A Guide to the Industrial Archaeology of Greater Manchester" by Robina McNeil and Michael Nevell, Association for Industrial Archaeology, 2000

Posset Bridge Horse Tunnel